Valve mechanism.



Patented Aug. 22, I899.

L. MARBACH. VALVE MECHANISM. (Application fiXed. Mar. 11, 1898.)

(No Model.)

WWII/011a INVENTELE'. WWMM J? WMM 1, 1,4992% AT T E5 T' A. @f mow msnow-us FEYERS co movmumo wnsmuuw 0. c.

ENITED' STATES PATENT FFICE.

HERMAN L. MARBACI-I, or LORAIN, OHIO, ASSIGNOR OF ONE-HALF TO ORVILLE P.MOON, or SAME PLACE.

VALVE ME CHANISM.

SPECIFICATION forming part of Letters iPatent No. 631,650, dated August22, 1899. 'Application filed March 11, 1898. Serial No. 673,457. (Nomodel.)

T0 in whom it may concern.-

Be it known that I, HERMAN L. MARBACH,

'a citizen of .the United States, residing at Lo- 1 enable othersskilled in the art to which it ap- I pertainstomake and use the same.

My invention relates to valve mechanism, and is here shown as applied tovapor-burners; but it may be used elsewhere as well.

case to the burner-and to allow only a cer-l tain quantity of fluid orliquid to be retained in the stand-pipe until a' portion is used up.

This assures a more regular feed or supply of the fluid than isotherwise attainable and prevents an overflow thereof through theneedlevalve, thereby obviating all possible danger from waste orexplosion on this account, as: well as also avoiding disagreeableannoyances resulting from such overflows.

In the accompanying drawings, Figure 1- illustrates a vapor burnerconnected to a stand and feed pipe, as is usual in this art, With thevalve mechanism at its bottom in section. Fig. 2 is a sectionalelevation of the lower part of the so-called stand portion of themechanism, enlarged, and the feedpipe with my improved valve therein,the valve and its parts being also in vertical section. Fig. 3 is asimilar View to Fig. 2, but showing the valve mechanism only partly insection and open to the inflow of liquid. Fig. 4B is a modificationwherein Weights are used instead of springs, as shown in Figs. .2 and 3.

A represents a hydrocarbon-burner, such and provide an automatic valve Ewithinrthe stand-pipe B to control the flow of the liquid. The saidvalve E is dependent for its position on the quantity of liquid in thestand-pipe B and is opened, primarily, through a floating weight F inthe stand-pipe subject to rise and fall with the oil, and, secondarily,the valve is subject to the springs 5 and 7, the weight F being of suchsize and displacement as to rise and fall with the liquid as it is firstfed in and then converted into vapor, as explained farther on. When thevalve is open,

the liquid flows in past the same, and as the The object of theinvention is to automatically control the inflow of the fluidin thisliquid rises in the stand-pipe and partially submerges the weight F itcauses the weight 'a portion of the liquid in the stand-pipe has beenconverted into vapor and carried off the weight descends again and opensvalve E,

and the liquid is again free to flow into the stand-pipe to a certainheight, when the valve is again closed, as in the first instance, andthis is automatically repeated while the burner is in operation. Theconstruction of the valve E to accomplish this end is as follows: A tube2 is attached to the feed-pipe connection 0, and a valve-seat'3 isprovided at the bottom thereof for said valve. The valve itself has anupwardly-extending stem 4, with an enlarged head at the top thereof,(also marked 4,) and said head closes and is free to slide in the top ofthe guide-tube 2. A spring 5 is interposed between this head and thelower portion of the tube 2, and the spring 5 keeps the valve normallyclosed until opened by the sliding cover 6, which is directly engaged bythe weight F. The cover 6 sleeves over the stem 2 and is free to slideup and down thereon, and a spring 7 is located in the bottom thereof,which bears against shoulder 8 in the cover and the collar 9 on theoutside of stem 2. A screw 10 through cover 6 below the collar 9 limitsthe upward movement of the cover in respect to the other parts. Openings12, located at the The weight F is of such size and displacement as torest at all times on the top of cover 6, and the object of the spring 7is to keep the said cover a suflicicnt distance awayand above the headof the spindle, so that a fairly free up-and-down movement of the coverand weight can be accommodated without striking the head of stem 4, andthereby cause the valve to open, even though it be but momentarily. Thismomentary opening of the valve is liable to occur through the vibration,sh aking, and possible uncertain foundation of the stove unless somesuch means as described are provided.

lVhen a certain portion of the liquid within the stand-pipe B has beenconverted into vapor and allowed to escape, the weight F will press thecover or casing 6 down until its top strikes the head of the stem 4- andopens valve E. The liquid will then flow into the standpipe until itlifts the weight up high enough to allow spring to close valve E.

In Fig. 4 a modification is shown which substitutes connterweights inlieu of springs 5 and 7. In this case there is pivoted to the top ofvalve-stem i a cross-piece 14:, which rests normally on the top edge oftube 2 and carries a counterweight 15, suspended from the outer endthereof. A counterweighted arm 16 is pivoted at the side and top'of tube2 and has an extension 17 above its pivot on which the weight F normallyrests, the same as it does 011 cover 6 in Figs. 2 and 3, and thecounterweighted arm 16 and 17 serves all the purposes of cover-casin g6. \Vhen the weight F descends,it offsets the counterweight of arm 16,which at the most is very light, and the weight F then in its furtherdescent strikes the extremity 18 of cross-piece 14 and the valve E isdepressed and opened.

\Vhat I claim is 1. A vapor-burner having a supply-pipe, a

spring-pressed valve controlled by the rise and fall of the liquidwithin said pipe, a cover over the valve-stem arranged to bear on thestem to open the valve, and a weightadapted to operate the cover to openthe valve, substantially as described.

2. A vapor-burner and oil-supply pipe beneath the same, anupwardly-seating valve in said pipe to control the flow of the liquid tothe burner, a cover over said valve in said pipe, a weight in theoil-supply pipe adapted to bear on said cover, and separate springsconnected with the said valve and cover to raise said parts,substantially as described.

3. A vapor-burner and an oil-supply pipe therefor, in combination withan inlet-tube in said pipe having a valve-seat at its bottom and a valveand valve-stem in said tube, a weight in said pipe above said valve-stemand means between said stem and said weight to take up the vibrations ofthe weight and thus prevent accidental opening of the valve,substantially as described.

4. A Vapor-burner having a stand-pipe sccured to the bottom thereof, anda supplypipe connected with the stand-pipe, in combination with adownwardly-opening valve in the supply-pipe, a free floating weight inthe stand-pipe, a stem on said valve and means connected with said stemto hold the valve normally in closed position, and interposed mechanismbetween the valve-stem and the floating weight to take up the vibrationsand prevent accidental opening of the valve, substantially as described.

\Vitness my hand to the foregoing specification this th day of January,1898.

HERMAN L. MARBACII.

Witnesses:

.TAs. B. Hoon, O. P. Woon.

